    <div class="navbar navbar-inverse navbar-fixed-top">
      <div class="container">
        <div class="navbar-header">
          <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
            <span class="icon-bar"></span>
          </button>
          <?php echo $this->Html->link('Acmon', array('controller'=> 'escopos', 'action'=>'index'), array('class'=>'navbar-brand')) ?>
        </div>
        <div class="collapse navbar-collapse">
          <ul class="nav navbar-nav">
            <li>
              <?php echo $this->Html->link('Empresas Contratantes', array('controller'=> 'contratantes', 'action'=>'index')) ?>
            </li>
            <li>
              <?php echo $this->Html->link('Empresas Contratadas', array('controller'=> 'contratadas', 'action'=>'index')) ?>
            </li>
            <li>
              <?php echo $this->Html->link('Usuários', array('controller'=> 'usuarios', 'action'=>'index')) ?>
            </li>
          </ul>
          <ul class="nav navbar-nav pull-right">
            <li>
              <?php echo $this->Html->link('Sair', array('controller'=> 'usuarios', 'action'=>'logout')) ?>
            </li>
          </ul>
        </div><!--/.nav-collapse -->
      </div>
    </div>